FIELD: engine manufacture. SUBSTANCE: parallelepiped-shaped filter element has filter material bent in the form of corrugated band with crimp lines, packing in the form of flexible-material collar applied on top of filter material crimps, frame in the form of polymeric material strip placed on top of filter material crimps and perpendicular to them on one of large edges of parallelepiped. Frame 4 is applied to both large edges of parallelepiped; crimp lines of corrugated band on both large edges of parallelepiped are equally spaced apart; depth of polymeric material strip at least on one of large edges of parallelepiped equals height of corrugated band. EFFECT: improved reliability of filter element due to improved stiffness of frame. 5 dwg
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